(a(i))[2]
Give two reasons for using carbon in a blast furnace.
(a(ii))[2]
Describe how slag is formed.
(a(iii))[1]
Explain how this equation shows that carbon monoxide is oxidised.
(b(i))[2]
Name two metals most often used in stainless steel, other than iron.
(b(ii))[1]
State one use of stainless steel.
(c(i))[2]
Arrange the four metals in order of reactivity. Place the least reactive metal first.
(c(ii))[2]
Complete the word equation for the reaction of calcium with ethanoic acid: calcium + ethanoic acid → [BLANK] + [BLANK].